If you are engrossed in something, it holds your attention completely.
例句
Tony didn't notice because he was too engrossed in his work.托尼因为太专注于自己的工作而毫未察觉。
英汉词典释义
adj.
全神贯注的,专心致志的
He seemed completely engrossed in his book.他好像完全被他的那本书迷住了。The student is engrossed in his book.这名学生正在专心致志地看书。
英英词典释义
Adjective
1. wholly absorbed as in thought;
"deep in thought""that engrossed look or rapt delight""the book had her totally engrossed""enwrapped in dreams""so intent on this fantastic...narrative that she hardly stirred"- Walter de la Mare"rapt with wonder""wrapped in thought"
2. written formally in a large clear script, as a deed or other legal document